| League details | |
|---|---|
| Dates | 12 October 1969 – 20 September 1970 | 
| Teams | 28 | 
| League champions | |
| Winners | Cork (8th win) | 
| Other division winners | |
| Division 2 | Antrim | 
| Division 3 | Louth | 
← 1967–68   1970–71 →   | |
The 1969–70 season was the 39th completed season of the National Hurling League.